Home / 591,212.34-815,874.12-322,940.34

Finding the Fourth Proportional to 591,212.34, 815,874.12 and 322,940.34

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Solution

The fourth proportional to 591,212.34, 815,874.12 and 322,940.34 is: 445,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,212.34 : 815,874.12 = 322,940.34 : x
  2. Step 2: Convert to fraction form
    591,212.34/815,874.12 = 322,940.34/x
  3. Step 3: Cross multiply
    591,212.34x = 815,874.12 × 322,940.34
  4. Step 4: Simplify right side
    591,212.34x = 263,478,665,710.00
  5. Step 5: Solve for x
    x = 263,478,665,710.00/591,212.34
  6. Step 6: Final answer
    x = 445,658.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.